Zip Area Code

Irmo, South Carolina

Irmo, South Carolina, in Richland County, has ZIP code 29063 and area code 803, with 839 as an overlay.

ZIP code
29063
Area codes
803, 839
Time zone
Eastern Time
Coordinates
34.1103, -81.1966

ZIP codes in Irmo

ZIP codePost officeCountyArea codes
29063IrmoRichland County803, 839

Area codes for Irmo

  • Area code 803

    In service since 1947. Shares its area with 839. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 839

    In service since May 26, 2020. Shares its area with 803. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Irmo is in the Eastern Time zone.

Towns near Irmo